Oval Beach Water Temperature
Lake Michigan surface temperature at Oval Beach, Michigan · times in EDT
Updated 7:03 AM EDT
How it compares today
Water temperature through the year
Monthly normals computed from 2023–2025 daily GLSEA satellite surface temperature history.
Nearby water right now
7-day outlook
| Day | Air high / low | Max UV | Rain |
|---|---|---|---|
| Fri, Aug 28 | 76° / 55° | 6 | 0% |
| Sat, Aug 29 | 78° / 61° | 5 | 9% |
| Sun, Aug 30 | 87° / 67° | 6 | 17% |
| Mon, Aug 31 | 89° / 74° | 6 | 17% |
| Tue, Sep 1 | 87° / 72° | 6 | 22% |
| Wed, Sep 2 | 95° / 72° | 6 | 31% |
| Thu, Sep 3 | 87° / 66° | 6 | 25% |
Water temperature from the NOAA GLERL Great Lakes Surface Environmental Analysis (satellite, updated daily); waves from the Open-Meteo marine model; weather from Open-Meteo.
Is Oval Beach warm enough to swim?
At 70°F, the water at Oval Beach is cool but swimmable. Most swimmers are comfortable without a wetsuit above 72°F; below 62°F, cold-water shock becomes a real risk for unprotected swimmers.
That is 1° below the August average of 71°F here.
The water averages above 70°F in July and August — 2 months of the year — peaking around 72°F in July and dropping to about 37°F in March.
Frequently asked questions
How warm is the water at Oval Beach right now?
The Lake Michigan surface temperature is about 70°F, from NOAA’s daily satellite analysis. That is 1° below the August average of 71°F here.
When is the water warm enough to swim at Oval Beach?
The water averages above 70°F in July and August — 2 months of the year — peaking around 72°F in July and dropping to about 37°F in March.
What is the warmest the water gets at Oval Beach?
Around 72°F in July, based on 2023–2025 records. The coolest month is March at roughly 37°F.